<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>嵌套页面</title>
	</head>
	<body>
		<iframe src="first.html"></iframe>
		<!-- <p>
			<a href="first.html" target="bdqn">第一个网页</a>
		</p> -->
		<iframe name="bdqn" src="https://www.bdqn.cn" height="800px" width="100%" frameborder="0"></iframe>
	
		<hr/>
		<iframe src="four.html" frameborder="0" height="800px" width="100%"></iframe>
	</body>
</html>